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Subtract 30/36 from 6/15

6/15 - 30/36 is -13/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 36 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 15 × 12 = 180,
    6/15 = 6 × 12/15 × 12 = 72/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    30/36 = 30 × 5/36 × 5 = 150/180
  4. Subtract the two like fractions:
    72/180 - 150/180 = 72 - 150/180 = -78/180
  5. After reducing the fraction, the answer is -13/30

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